Turbo Boost Pressure Control Solenoid Valve For Chevrolet: Malibu, Opel: Astra, Saab: 9-5, Vauxhall: Astra, Astravan

Upgrade your turbocharged engine’s performance with this high-precision Turbo Boost Pressure Control Solenoid Valve, compatible with key models of Chevrolet (Malibu), Opel/Vauxhall (Astra, Astravan) and Saab (9-5). Proven to replace OEM numbers 00851017, 00851057, 05851073 and more, this 12 V electric-pneumatic valve (2-pin connector) ensures accurate boost control, sharper throttle response and improved reliability under load. With UK stock availability, free shipping and a robust warranty, you’re backed by a trusted partner when servicing your diesel or petrol turbo system.

OEM Number: 00851017, 00851057, 05851073, 05851600, 055558101, 055563534, 55575611, 55579900, 55558101, 55563534, 55573362, 5851073, 5851600

Product Details:

Number of pins : 2-pin connector

Valve Type : Solenoid Valve

Operating Mode : Electric-pneumatic

Voltage : 12 V

Quantity : 1

Our SKU: TVAU55575611_94

All our Turbo Boost Pressure Control Solenoid Valve are OEM quality and reliable after market car parts. This Turbo Boost Pressure Control Solenoid Valve is specifically compatible with Chevrolet: Malibu, Opel: Astra, Astra H Classic, Cascada, Combo, Corsa, Insignia, Meriva, Zafira, Zafira / Zafira Family, Zafira Tourer, Saab: 9-5, Vauxhall: Astra, Astravan, Cascada, Combo, Corsa, Corsavan, Insignia, Meriva, Zafira, .

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

Frequently Asked Questions (FAQs)

Q1: How do I verify this solenoid valve fits my vehicle?
A1: First check your vehicle’s make, model, year and engine variant against the compatibility list (Chevrolet Malibu, Opel/Vauxhall Astra/Astravan, Saab 9-5) displayed on the page. Then match the OEM part number from your old valve (examples: 00851017, 055558101, 55575611) with the list provided on the product page. When in doubt, send us your VIN/registration via live chat for full confirmation.

Q2: What are the common symptoms if this solenoid valve fails?
A2: Typical signs include erratic turbo boost pressure (either under-boost or over-boost), check-engine light with codes related to boost control (e.g., P0243), loss of power under acceleration, black smoke on diesel models or rough idle after heavy load. Replacing the solenoid often restores correct boost behaviour.

Q3: My vehicle is a diesel version — will this part still work?
A3: Yes — this valve is listed compatible with numerous diesel-engine vehicles within the Opel/Vauxhall/Astra and Saab 9-5 line-up (see the diesel model listings on the product page). Make sure to verify your engine code/chassis designation to ensure correct fitment.

Q4: Does installing this part require special tools or coding?
A4: In most cases this solenoid can be swapped relatively easily — you’ll need basic hand tools to access the valve, ensure the 2-pin connector is securely seated and that the vacuum/boost hose routing matches OEM layout. No coding is typically required, but you should clear any stored fault codes after replacement for best results.

Q5: What warranty and shipping benefits come with this part?
A5: All products are protected by a 12 month worry-free warranty and You may return most new, unopened items within 30 days of delivery for a full refund.